Pyrazolo [1, 5-a] pyrimidines are the dominant motif of many drugs; for instance, zaleplon
and indiplon are sedative agents and ocinaplon was identified as an anxiolytic agent. The …

The comprehensive review contains the analysis of literature data concerning reactions of
heterocyclization of aminoazoles and demonstrates the application of these types of …

A one-pot route for the regioselective synthesis of 3-formylpyrazolo [1, 5-a] pyrimidines 4a–k
in good yields through a microwave-assisted process is provided. The synthesis proceeds …

A novel series of 6-aryl-3-methyl-1-phenyl-1H-pyrazolo [3, 4-d] pyrimidin-4 (5H)-ones 3a-h
were synthesized in a single step via condensation of carboxamide 2 with some aromatic …

The development of new synthetic routes towards pyrazolo [1, 5-a] pyrimidines for their
biological and medicinal exploration is an attractive area for researchers. This review …

Steroidal heterocyclic compounds constitute interesting and promising scaffolds for drug
discovery as they have displayed diverse chemical reactivity and several types of biological …

The pyrimidine moiety is one of the most widespread heterocycles in biologically occurring
compounds, such as nucleic acids components (uracil, thymine and cytosine) and vitamin …

Condensation of enynones readily available from cheap starting material with
pyrazolamines provides easy access to fluorescent 7-(trimethylsilylethynyl) pyrazolo [1, 5-a] …

Two novel water-soluble pyrazolo [1, 5-a] pyrimidine derivatives, 5-chloro-7-(4-methyl-
piperazin− 1-yl)-pyrazolo [1, 5-a] pyrimidine (CMPS) and N′-(5-chloro-pyrazolo [1, 5-a] …

Natural steroids are characterized as a vital class of compounds, a type of secondary
metabolites and components of cell membranes that widely accessible in plants or animals …